Related Mcqs:

1. The allowable length of an offset depends upon the______________?

   A. degree of accuracy required
   B. method of setting out the perpendiculars and nature of ground
   C. scale of plotting
   D. all of the above

2. Select the incorrect statement?

   A. The true meridians at different places are parallel to each other
   B. The true meridian at any place is not variable
   C. The true meridians converge to a point in northern and southern hemispheres
   D. The maps prepared by national survey departments of any country are based on true meridians

3. Local attraction in compass surveying may exist due to________________?

   A. incorrect levelling of the magnetic needle
   B. loss of magnetism of the needle
   C. friction of the needle at the pivot
   D. presence of magnetic substances near the instrument

4. Which of the following is not the function of levelling head ?

   A. to support the main part of the instrument
   B. to attach the theodolite to the tripod
   C. to provide a means for leveling the theodolite
   D. none of the above

5. Which of the following errors is not eliminated by the method of repetition of horizontal angle measurement ?

   A. error due to eccentricity of verniers
   B. error due to displacement of station signals
   C. error due to wrong adjustment of line of collimation and trunnion axis
   D. error due to inaccurate graduation

6. Refraction correction________________?

   A. completely eliminates curvature correction
   B. partially eliminates curvature correction
   C. adds to the curvature correction
   D. has no effect on curvature correction

7. With the rise of temperature, the sensitivity of a bubble tube______________?

   A. decreases
   B. increases
   C. remains unaffected
   D. none of the above

8. Which of the following methods of con-touring is most suitable for a hilly terrain ?

   A. direct method
   B. square method
   C. cross-sections method
   D. tacheometric method

9. Horizontal distances obtained by thermometric observations_________________?

   A. require slope correction
   B. require tension correction
   C. require slope and tension corrections
   D. do not require slope and tension corrections

10. The methods used for locating the plane table stations are_______________?

    1. radiation
    2. traversing
    3.intersection
    4. resection
    The correct answer is

    A. (1) and (2)
    B. (3) and (4)
    C. (2) and (4)
    D. (1) and (3)